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National Stock Number:
4820-00-702-0271
Federal Supply Class:
4820
National Item Identification Number:
007020271
Description:
SEAT,VALVE
Detail:
A replaceable item designed to provide a circular stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see INSERT, ENGINE VALVE SEAT.
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Manufacturer Information:
| 01-13282 | 45934 | ONTIC ENGINEERING & MANUFACTURING, INC | | 01-13282 | 56705 | DONALLCO INC | | 01-13282 | 99167 | HAMILTON SUNDSTRAND CORPORATION |
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Techincal Specification:
| BODY OUTSIDE DIAMETER | 0.939 INCHES NOMINAL | | BODY STEPPED INSIDE DIAMETER | 0.626 INCHES NOMINAL FIRST STEP | | BODY STEPPED INSIDE DIAMETER | 0.812 INCHES NOMINAL SECOND STEP | | BODY STEPPED INSIDE DIAMETER | 0.752 INCHES NOMINAL THIRD STEP | | FLANGE DIAMETER | 1.115 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.125 INCHES NOMINAL | | HARDNESS RATING | 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL | | OVERALL HEIGHT | 1.683 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | SEAT ANGLE IN DEG | 60.000 NOMINAL | | SEATING SURFACE SHAPE | ANGULAR |
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